Golden Gate Assembly Domestication Tutorial

Learn that Golden Gate assembly is a molecular cloning technique that joins multiple DNA fragments in a single reaction using type IIs restriction enzymes, enabling seamless assembly of recombinant DNA constructs.

Recognize that internal type IIs recognition sites present in vector or insert sequences will cause unwanted cutting, resulting in linear non-functional DNA that fails to transform if not removed.

Choose DNA fragments and vectors that do not contain type IIs restriction sites by using a free Golden Gate assembly tool to screen sequences before assembly.

Use site-directed mutagenesis kits like NEB's Q5 to introduce silent mutations that eliminate internal type IIs recognition sites while preserving the amino acid coding sequence.

Alternatively, design PCR primers that simultaneously generate DNA parts and introduce silent mutations to eliminate internal restriction sites during the amplification process.

After addressing internal site domestication issues through one of these three methods, proceed with Golden Gate assembly and other efficient molecular cloning techniques with confidence in successful transformation.